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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_SCREENSAVER_WINDOW_FINDER_X11_H_
      6 #define CHROME_BROWSER_SCREENSAVER_WINDOW_FINDER_X11_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "ui/base/x/x11_util.h"
     11 
     12 class ScreensaverWindowFinder : public ui::EnumerateWindowsDelegate {
     13  public:
     14   static bool ScreensaverWindowExists();
     15 
     16  protected:
     17   virtual bool ShouldStopIterating(XID window) OVERRIDE;
     18 
     19  private:
     20   ScreensaverWindowFinder();
     21 
     22   bool IsScreensaverWindow(XID window) const;
     23 
     24   bool exists_;
     25 
     26   DISALLOW_COPY_AND_ASSIGN(ScreensaverWindowFinder);
     27 };
     28 
     29 
     30 #endif  // CHROME_BROWSER_SCREENSAVER_WINDOW_FINDER_X11_H_
     31